343211212 has 12 divisors (see below), whose sum is σ = 632231320. Its totient is φ = 162573696.

The previous prime is 343211207. The next prime is 343211237. The reversal of 343211212 is 212112343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 343211212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257893 + ... + 2258044.

Almost surely, 2^343211212 is an apocalyptic number.

It is an amenable number.

343211212 is a deficient number, since it is larger than the sum of its proper divisors (289020108).

343211212 is a wasteful number, since it uses less digits than its factorization.

343211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515960 (or 4515958 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 343211212 is about 18525.9604879207. The cubic root of 343211212 is about 700.1436521507.

Adding to 343211212 its reverse (212112343), we get a palindrome (555323555).

The spelling of 343211212 in words is "three hundred forty-three million, two hundred eleven thousand, two hundred twelve".